Finding the Fourth Proportional to 408,835.99, 564,206.21 and 227,557.99
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Solution
The fourth proportional to 408,835.99, 564,206.21 and 227,557.99 is: 314,037.01
Step by Step Solution
- Step 1: Write the proportion equation
408,835.99 : 564,206.21 = 227,557.99 : x - Step 2: Convert to fraction form
408,835.99/564,206.21 = 227,557.99/x - Step 3: Cross multiply
408,835.99x = 564,206.21 × 227,557.99 - Step 4: Simplify right side
408,835.99x = 128,389,631,093.12 - Step 5: Solve for x
x = 128,389,631,093.12/408,835.99 - Step 6: Final answer
x = 314,037.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.